﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace EpubFactory.Shenma
{
    public partial class DemoForm : Form
    {
        public DemoForm()
        {
            InitializeComponent();
        }

        private async void button1_Click(object sender, EventArgs e)
        {
            button1.Text = await Task.Delay(3000).ContinueWith(s =>
            {
                return "ok";
            });
        }
    }
}
